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Why does the nuclear envelope disappear before the cell divides?
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How many nuclear membranes must form before telophase?
Two nuclear membranes must form before telophase, as the nuclear envelope reforms around the individual sets of chromatids within each daughter cell.
What happens to the nuclear envelope towards the end of cell division?
During cell division, the nuclear envelope breaks down to allow the chromosomes to move to opposite poles of the cell. Once the chromosomes are properly aligned, a new nuclear envelope reforms around each set of chromosomes, resulting in two new nuclei in the daughter cells.
Why must the nucleus divide before the cytoplasm?
During Mitosis, it isn't the nucleus itself that divides it is the chromatin inside the nucleus that duplicates during Prophase. This is so the new cells being created each have the correct amount of DNA for normal cell use.Because the nucleus is like the center of the cell. It tells the cell what to do and basically controls it.-6th grade science teacher
Where does DNA replication take place in eukaryotes?
This occurs WITHIN the DNA molecule [large individual=chromosome] AS IT exists in a Cell's nucleus. Before any synthetic activity may be performed upon nuclear chromosomal DNA, it must first be decondensed, or dispersed into Chromatin within the Cell's Nucleus.
How does the 2nd stage of the mitotic phase overlap with the 1st stage?
The second stage of the mitotic phase, called metaphase, overlaps with the first stage, called prophase, in terms of time. This means that while one cell is going through metaphase, another cell in the same population may be in prophase. However, the events that occur in these two stages are distinct. In prophase, chromosomes condense and the nuclear envelope breaks down, while in metaphase, the condensed chromosomes align at the center of the cell.
What happens to the nuclear material of the parent cell before it divides?
Melios
How many nuclear membranes must form before telophase?
Two nuclear membranes must form before telophase, as the nuclear envelope reforms around the individual sets of chromatids within each daughter cell.
What part of each cell must disappear between step 1 and step 2 to release the paired chromosomes?
The nuclear envelope must disappear to release the paired chromosomes during cell division. It breaks down during prophase to allow the chromosomes to interact with the spindle fibers before moving to opposite poles of the cell.
This nuclear structure may be visible during interphase?
The nucleolus is a nuclear structure that may be visible during interphase. It is involved in ribosome production and is typically visible as a dense, dark area within the nucleus during periods of high ribosomal activity.
What happens to chromosomes before the nuclear membrane breaks down in mitosis?
Before the nuclear membrane breaks down in mitosis, the chromosomes condense and become visible. This condensation makes it easier for the chromosomes to line up and separate properly during cell division.
What happens to the nuclear envelope towards the end of cell division?
During cell division, the nuclear envelope breaks down to allow the chromosomes to move to opposite poles of the cell. Once the chromosomes are properly aligned, a new nuclear envelope reforms around each set of chromosomes, resulting in two new nuclei in the daughter cells.
Why must the nucleus divide before the cytoplasm?
During Mitosis, it isn't the nucleus itself that divides it is the chromatin inside the nucleus that duplicates during Prophase. This is so the new cells being created each have the correct amount of DNA for normal cell use.Because the nucleus is like the center of the cell. It tells the cell what to do and basically controls it.-6th grade science teacher
What is mean by open mitosis and closed mitosis?
Open mitosis refers to a type of cell division where the nuclear envelope breaks down completely, allowing the spindle fibers to interact with the chromosomes. Closed mitosis is similar but involves the nuclear envelope staying intact throughout the process, with the spindle fibers interacting through nuclear pores. Both types result in the equal distribution of chromosomes to daughter cells.
What do you stick on a letter before mailing it?
you stick it on an envelope before mailing it
What happens to the info before the cell divides?
Your DNA is copied into the new cell every time it divides
How does the absence of a nuclear envelope in the prokaryotes prevent prokaryotes from controlling gene expression by modifying RNA after transcription?
The absence of a nuclear envelope in prokaryotes means that transcription and translation occur in the same compartment. This proximity allows for immediate translation of RNA without the need for processing or modifications after transcription. Prokaryotes rely on rapid gene expression to adapt to their environment, and not having a nuclear envelope facilitates this process.
Before a cell divides what happens to the centrioles?
it triples in number
